Neerum Neruppum, is a 1971 Indian Tamil directed by P. Neelakantan, starring M. G. Ramachandran in the lead role and J. Jayalalitha, R. S. Manohar, Cho Ramaswamy among others. The movie is a remake of 1949 M. R. Radha movie Apoorva Sagodharargal.
Sundaram, a member of a musical band, goes to chennai to earn money for his sister's marriage but his look-alike brother Ranjit, tricks him. Ranjit carries out his illegal trade without any trouble.
Enslaved convicts for treason plan escape but get caught by pirates and work for them before gaining their support and fighting back their country's authoritarian rule.